[ViewVC] Diff of: cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs.
Revision 1.253 by root, Fri Nov 7 20:12:26 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
		23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
15		25
16	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
17	# include <unistd.h>	27	# include <unistd.h>
18	# include <sys/mman.h>	28	# include <sys/mman.h>
19	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
71	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
72	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
73	# endif	83	# endif
74	#endif	84	#endif
75		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
		96	/* 5.8.8 */
		97	#ifndef GV_NOTQUAL
		98	# define GV_NOTQUAL 0
		99	#endif
		100	#ifndef newSV
		101	# define newSV(l) NEWSV(0,l)
		102	#endif
		103
76	/* 5.8.7 */	104	/* 5.8.7 */
77	#ifndef SvRV_set	105	#ifndef SvRV_set
78	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
79	#endif
80
81	/* 5.8.8 */
82	#ifndef GV_NOTQUAL
83	# define GV_NOTQUAL 0
84	#endif
85	#ifndef newSV
86	# define newSV(l) NEWSV(0,l)
87	#endif	107	#endif
88		108
89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	109	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90	# undef CORO_STACKGUARD	110	# undef CORO_STACKGUARD
91	#endif	111	#endif
…		…
122	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
123		143
124	#include "CoroAPI.h"	144	#include "CoroAPI.h"
125		145
126	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
127	static perl_mutex coro_mutex;	147	static perl_mutex coro_lock;
128	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	148	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
129	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	149	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
130	#else	150	#else
131	# define LOCK (void)0	151	# define LOCK (void)0
132	# define UNLOCK (void)0	152	# define UNLOCK (void)0
133	#endif	153	#endif
134		154
135	#define strpair(const) const, sizeof (const) - 1
136
137	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
138	struct io_state	156	struct io_state
139	{	157	{
		158	AV *res;
140	int errorno;	159	int errorno;
141	I32 laststype;	160	I32 laststype;
142	int laststatval;	161	int laststatval;
143	Stat_t statcache;	162	Stat_t statcache;
144	};	163	};
145		164
		165	static double (nvtime)(); / so why doesn't it take void? */
		166
146	static size_t coro_stacksize = CORO_STACKSIZE;	167	static size_t coro_stacksize = CORO_STACKSIZE;
147	static struct CoroAPI coroapi;	168	static struct CoroAPI coroapi;
148	static AV main_mainstack; / used to differentiate between $main and others */	169	static AV main_mainstack; / used to differentiate between $main and others */
149	static JMPENV *main_top_env;	170	static JMPENV *main_top_env;
150	static HV coro_state_stash, coro_stash;	171	static HV coro_state_stash, coro_stash;
151	static SV coro_mortal; / will be freed after next transfer */	172	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
152		173
153	static GV irsgv; / $/ */	174	static GV irsgv; / $/ */
154	static GV stdoutgv; / STDOUT /	175	static GV stdoutgv; / STDOUT /
155		176	static SV *rv_diehook;
		177	static SV *rv_warnhook;
156	static HV hv_sig; / %SIG */	178	static HV hv_sig; / %SIG */
157	static SV *sv_diehook;
158	static SV *sv_warnhook;
159		179
160	/* async_pool helper stuff */	180	/* async_pool helper stuff */
161	static SV *sv_pool_rss;	181	static SV *sv_pool_rss;
162	static SV *sv_pool_size;	182	static SV *sv_pool_size;
163	static AV *av_async_pool;	183	static AV *av_async_pool;
		184
		185	/* Coro::AnyEvent */
		186	static SV *sv_activity;
164		187
165	static struct coro_cctx *cctx_first;	188	static struct coro_cctx *cctx_first;
166	static int cctx_count, cctx_idle;	189	static int cctx_count, cctx_idle;
167		190
168	enum {	191	enum {
…		…
221		244
222	/* process data */	245	/* process data */
223	AV *mainstack;	246	AV *mainstack;
224	perl_slots slot; / basically the saved sp */	247	perl_slots slot; / basically the saved sp */
225		248
226	/* data associated with this coroutine (initial args) */	249	AV args; / data associated with this coroutine (initial args) */
227	AV *args;	250	int refcnt; /* coroutines are refcounted, yes */
228	int refcnt;
229	int flags; /* CF_ flags */	251	int flags; /* CF_ flags */
		252	HV hv; / the perl hash associated with this coro, if any */
230		253
231	/* statistics */	254	/* statistics */
232	int usecount; /* number of transfers to this coro */	255	int usecount; /* number of transfers to this coro */
233		256
234	/* coro process data */	257	/* coro process data */
235	int prio;	258	int prio;
236	SV *throw;	259	SV throw; / exception to be thrown */
237		260
238	/* async_pool */	261	/* async_pool */
239	SV *saved_deffh;	262	SV *saved_deffh;
240		263
241	/* linked list */	264	/* linked list */
242	struct coro next, prev;	265	struct coro next, prev;
243	HV hv; / the perl hash associated with this coro, if any */
244	};	266	};
245		267
246	typedef struct coro *Coro__State;	268	typedef struct coro *Coro__State;
247	typedef struct coro *Coro__State_or_hashref;	269	typedef struct coro *Coro__State_or_hashref;
248		270
…		…
255	#define PRIO_IDLE -3	277	#define PRIO_IDLE -3
256	#define PRIO_MIN -4	278	#define PRIO_MIN -4
257		279
258	/* for Coro.pm */	280	/* for Coro.pm */
259	static SV *coro_current;	281	static SV *coro_current;
		282	static SV *coro_readyhook;
260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	283	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
261	static int coro_nready;	284	static int coro_nready;
262	static struct coro *coro_first;	285	static struct coro *coro_first;
263		286
264	/ lowlevel stuff ********************************************************/	287	/ lowlevel stuff ********************************************************/
265		288
266	static SV *	289	static SV *
267	coro_get_sv (const char *name, int create)	290	coro_get_sv (pTHX_ const char *name, int create)
268	{	291	{
269	#if PERL_VERSION_ATLEAST (5,9,0)	292	#if PERL_VERSION_ATLEAST (5,10,0)
270	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	293	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
271	get_sv (name, create);	294	get_sv (name, create);
272	#endif	295	#endif
273	return get_sv (name, create);	296	return get_sv (name, create);
274	}	297	}
275		298
276	static AV *	299	static AV *
277	coro_get_av (const char *name, int create)	300	coro_get_av (pTHX_ const char *name, int create)
278	{	301	{
279	#if PERL_VERSION_ATLEAST (5,9,0)	302	#if PERL_VERSION_ATLEAST (5,10,0)
280	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	303	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
281	get_av (name, create);	304	get_av (name, create);
282	#endif	305	#endif
283	return get_av (name, create);	306	return get_av (name, create);
284	}	307	}
285		308
286	static HV *	309	static HV *
287	coro_get_hv (const char *name, int create)	310	coro_get_hv (pTHX_ const char *name, int create)
288	{	311	{
289	#if PERL_VERSION_ATLEAST (5,9,0)	312	#if PERL_VERSION_ATLEAST (5,10,0)
290	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	313	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
291	get_hv (name, create);	314	get_hv (name, create);
292	#endif	315	#endif
293	return get_hv (name, create);	316	return get_hv (name, create);
294	}	317	}
…		…
299	AV *padlist = CvPADLIST (cv);	322	AV *padlist = CvPADLIST (cv);
300	AV newpadlist, newpad;	323	AV newpadlist, newpad;
301		324
302	newpadlist = newAV ();	325	newpadlist = newAV ();
303	AvREAL_off (newpadlist);	326	AvREAL_off (newpadlist);
304	#if PERL_VERSION_ATLEAST (5,9,0)	327	#if PERL_VERSION_ATLEAST (5,10,0)
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	328	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
306	#else	329	#else
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	330	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
308	#endif	331	#endif
309	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	332	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
310	--AvFILLp (padlist);	333	--AvFILLp (padlist);
311		334
312	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	335	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
313	av_store (newpadlist, 1, (SV *)newpad);	336	av_store (newpadlist, 1, (SV *)newpad);
314		337
315	return newpadlist;	338	return newpadlist;
316	}	339	}
317		340
…		…
347		370
348	/* casting is fun. */	371	/* casting is fun. */
349	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	372	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
350	free_padlist (aTHX_ padlist);	373	free_padlist (aTHX_ padlist);
351		374
352	SvREFCNT_dec (av);	375	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
353		376
354	return 0;	377	return 0;
355	}	378	}
356		379
357	#define PERL_MAGIC_coro PERL_MAGIC_ext	380	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		381	#define CORO_MAGIC_type_state PERL_MAGIC_ext
358		382
359	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	383	static MGVTBL coro_cv_vtbl = {
		384	0, 0, 0, 0,
		385	coro_cv_free
		386	};
360		387
361	#define CORO_MAGIC(cv) \	388	#define CORO_MAGIC(sv, type) \
362	SvMAGIC (cv) \	389	SvMAGIC (sv) \
363	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	390	? SvMAGIC (sv)->mg_type == type \
364	? SvMAGIC (cv) \	391	? SvMAGIC (sv) \
365	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	392	: mg_find (sv, type) \
366	: 0	393	: 0
		394
		395	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		396	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
367		397
368	static struct coro *	398	static struct coro *
369	SvSTATE_ (pTHX_ SV *coro)	399	SvSTATE_ (pTHX_ SV *coro)
370	{	400	{
371	HV *stash;	401	HV *stash;
…		…
383	/* very slow, but rare, check */	413	/* very slow, but rare, check */
384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	414	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
385	croak ("Coro::State object required");	415	croak ("Coro::State object required");
386	}	416	}
387		417
388	mg = CORO_MAGIC (coro);	418	mg = CORO_MAGIC_state (coro);
389	return (struct coro *)mg->mg_ptr;	419	return (struct coro *)mg->mg_ptr;
390	}	420	}
391		421
392	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	422	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
393		423
394	/* the next two functions merely cache the padlists */	424	/* the next two functions merely cache the padlists */
395	static void	425	static void
396	get_padlist (pTHX_ CV *cv)	426	get_padlist (pTHX_ CV *cv)
397	{	427	{
398	MAGIC *mg = CORO_MAGIC (cv);	428	MAGIC *mg = CORO_MAGIC_cv (cv);
399	AV *av;	429	AV *av;
400		430
401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	431	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	432	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
403	else	433	else
404	{	434	{
405	#if CORO_PREFER_PERL_FUNCTIONS	435	#if CORO_PREFER_PERL_FUNCTIONS
406	/* this is probably cleaner, but also slower? */	436	/* this is probably cleaner? but also slower! */
		437	/* in practise, it seems to be less stable */
407	CV *cp = Perl_cv_clone (cv);	438	CV *cp = Perl_cv_clone (cv);
408	CvPADLIST (cv) = CvPADLIST (cp);	439	CvPADLIST (cv) = CvPADLIST (cp);
409	CvPADLIST (cp) = 0;	440	CvPADLIST (cp) = 0;
410	SvREFCNT_dec (cp);	441	SvREFCNT_dec (cp);
411	#else	442	#else
…		…
415	}	446	}
416		447
417	static void	448	static void
418	put_padlist (pTHX_ CV *cv)	449	put_padlist (pTHX_ CV *cv)
419	{	450	{
420	MAGIC *mg = CORO_MAGIC (cv);	451	MAGIC *mg = CORO_MAGIC_cv (cv);
421	AV *av;	452	AV *av;
422		453
423	if (expect_false (!mg))	454	if (expect_false (!mg))
424	{	455	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
427	mg->mg_virtual = &vtbl_coro;
428	mg->mg_obj = (SV *)newAV ();
429	}
430		456
431	av = (AV *)mg->mg_obj;	457	av = (AV *)mg->mg_obj;
432		458
433	if (expect_false (AvFILLp (av) >= AvMAX (av)))	459	if (expect_false (AvFILLp (av) >= AvMAX (av)))
434	av_extend (av, AvMAX (av) + 1);	460	av_extend (av, AvMAX (av) + 1);
…		…
452	GvSV (irsgv) = slot->irsgv;	478	GvSV (irsgv) = slot->irsgv;
453		479
454	#define VAR(name,type) PL_ ## name = slot->name;	480	#define VAR(name,type) PL_ ## name = slot->name;
455	# include "state.h"	481	# include "state.h"
456	#undef VAR	482	#undef VAR
457
458	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
459	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
460		483
461	{	484	{
462	dSP;	485	dSP;
463		486
464	CV *cv;	487	CV *cv;
…		…
503		526
504	if (expect_true (CvDEPTH (cv)))	527	if (expect_true (CvDEPTH (cv)))
505	{	528	{
506	EXTEND (SP, 3);	529	EXTEND (SP, 3);
507	PUSHs ((SV *)CvPADLIST (cv));	530	PUSHs ((SV *)CvPADLIST (cv));
508	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	531	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
509	PUSHs ((SV *)cv);	532	PUSHs ((SV *)cv);
510		533
511	CvDEPTH (cv) = 0;	534	CvDEPTH (cv) = 0;
512	get_padlist (aTHX_ cv);	535	get_padlist (aTHX_ cv);
513	}	536	}
…		…
557	* allocate various perl stacks. This is an exact copy	580	* allocate various perl stacks. This is an exact copy
558	* of perl.c:init_stacks, except that it uses less memory	581	* of perl.c:init_stacks, except that it uses less memory
559	* on the (sometimes correct) assumption that coroutines do	582	* on the (sometimes correct) assumption that coroutines do
560	* not usually need a lot of stackspace.	583	* not usually need a lot of stackspace.
561	*/	584	*/
562	#if 1	585	#if CORO_PREFER_PERL_FUNCTIONS
563	# define coro_init_stacks init_stacks	586	# define coro_init_stacks init_stacks
564	#else	587	#else
565	static void	588	static void
566	coro_init_stacks (pTHX)	589	coro_init_stacks (pTHX)
567	{	590	{
…		…
593		616
594	New(54,PL_savestack,24,ANY);	617	New(54,PL_savestack,24,ANY);
595	PL_savestack_ix = 0;	618	PL_savestack_ix = 0;
596	PL_savestack_max = 24;	619	PL_savestack_max = 24;
597		620
598	#if !PERL_VERSION_ATLEAST (5,9,0)	621	#if !PERL_VERSION_ATLEAST (5,10,0)
599	New(54,PL_retstack,4,OP*);	622	New(54,PL_retstack,4,OP*);
600	PL_retstack_ix = 0;	623	PL_retstack_ix = 0;
601	PL_retstack_max = 4;	624	PL_retstack_max = 4;
602	#endif	625	#endif
603	}	626	}
…		…
605		628
606	/*	629	/*
607	* destroy the stacks, the callchain etc...	630	* destroy the stacks, the callchain etc...
608	*/	631	*/
609	static void	632	static void
610	coro_destroy_stacks (pTHX)	633	coro_destruct_stacks (pTHX)
611	{	634	{
612	while (PL_curstackinfo->si_next)	635	while (PL_curstackinfo->si_next)
613	PL_curstackinfo = PL_curstackinfo->si_next;	636	PL_curstackinfo = PL_curstackinfo->si_next;
614		637
615	while (PL_curstackinfo)	638	while (PL_curstackinfo)
…		…
626		649
627	Safefree (PL_tmps_stack);	650	Safefree (PL_tmps_stack);
628	Safefree (PL_markstack);	651	Safefree (PL_markstack);
629	Safefree (PL_scopestack);	652	Safefree (PL_scopestack);
630	Safefree (PL_savestack);	653	Safefree (PL_savestack);
631	#if !PERL_VERSION_ATLEAST (5,9,0)	654	#if !PERL_VERSION_ATLEAST (5,10,0)
632	Safefree (PL_retstack);	655	Safefree (PL_retstack);
633	#endif	656	#endif
634	}	657	}
635		658
636	static size_t	659	static size_t
…		…
652	#undef VAR	675	#undef VAR
653	}	676	}
654	else	677	else
655	slot = coro->slot;	678	slot = coro->slot;
656		679
		680	if (slot)
		681	{
657	rss += sizeof (slot->curstackinfo);	682	rss += sizeof (slot->curstackinfo);
658	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	683	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
659	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	684	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
660	rss += slot->tmps_max * sizeof (SV *);	685	rss += slot->tmps_max * sizeof (SV *);
661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	686	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
662	rss += slot->scopestack_max * sizeof (I32);	687	rss += slot->scopestack_max * sizeof (I32);
663	rss += slot->savestack_max * sizeof (ANY);	688	rss += slot->savestack_max * sizeof (ANY);
664		689
665	#if !PERL_VERSION_ATLEAST (5,9,0)	690	#if !PERL_VERSION_ATLEAST (5,10,0)
666	rss += slot->retstack_max * sizeof (OP *);	691	rss += slot->retstack_max * sizeof (OP *);
667	#endif	692	#endif
		693	}
668	}	694	}
669		695
670	return rss;	696	return rss;
671	}	697	}
672		698
673	/ coroutine stack handling **********************************************/	699	/ coroutine stack handling **********************************************/
		700
		701	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		702	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		703	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		704
		705	/* apparently < 5.8.8 */
		706	#ifndef MgPV_nolen_const
		707	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		708	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		709	(const char*)(mg)->mg_ptr)
		710	#endif
		711
		712	/*
		713	* This overrides the default magic get method of %SIG elements.
		714	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		715	* and instead of tryign to save and restore the hash elements, we just provide
		716	* readback here.
		717	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		718	* not expecting this to actually change the hook. This is a potential problem
		719	* when a schedule happens then, but we ignore this.
		720	*/
		721	static int
		722	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		723	{
		724	const char *s = MgPV_nolen_const (mg);
		725
		726	if (*s == '_')
		727	{
		728	SV **svp = 0;
		729
		730	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		731	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		732
		733	if (svp)
		734	{
		735	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		736	return 0;
		737	}
		738	}
		739
		740	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		741	}
		742
		743	static int
		744	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		745	{
		746	const char *s = MgPV_nolen_const (mg);
		747
		748	if (*s == '_')
		749	{
		750	SV **svp = 0;
		751
		752	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		753	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		754
		755	if (svp)
		756	{
		757	SV old = svp;
		758	*svp = 0;
		759	SvREFCNT_dec (old);
		760	return 0;
		761	}
		762	}
		763
		764	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		765	}
		766
		767	static int
		768	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		769	{
		770	const char *s = MgPV_nolen_const (mg);
		771
		772	if (*s == '_')
		773	{
		774	SV **svp = 0;
		775
		776	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		777	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		778
		779	if (svp)
		780	{
		781	SV old = svp;
		782	*svp = newSVsv (sv);
		783	SvREFCNT_dec (old);
		784	return 0;
		785	}
		786	}
		787
		788	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		789	}
674		790
675	static void	791	static void
676	coro_setup (pTHX_ struct coro *coro)	792	coro_setup (pTHX_ struct coro *coro)
677	{	793	{
678	/*	794	/*
…		…
687	PL_curpm = 0;	803	PL_curpm = 0;
688	PL_curpad = 0;	804	PL_curpad = 0;
689	PL_localizing = 0;	805	PL_localizing = 0;
690	PL_dirty = 0;	806	PL_dirty = 0;
691	PL_restartop = 0;	807	PL_restartop = 0;
692	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	808	#if PERL_VERSION_ATLEAST (5,10,0)
693	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	809	PL_parser = 0;
		810	#endif
		811
		812	/* recreate the die/warn hooks */
		813	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		814	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
694		815
695	GvSV (PL_defgv) = newSV (0);	816	GvSV (PL_defgv) = newSV (0);
696	GvAV (PL_defgv) = coro->args; coro->args = 0;	817	GvAV (PL_defgv) = coro->args; coro->args = 0;
697	GvSV (PL_errgv) = newSV (0);	818	GvSV (PL_errgv) = newSV (0);
698	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	819	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
699	PL_rs = newSVsv (GvSV (irsgv));	820	PL_rs = newSVsv (GvSV (irsgv));
700	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	821	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
701		822
702	{	823	{
703	dSP;	824	dSP;
704	LOGOP myop;	825	LOGOP myop;
705		826
…		…
713	PL_op = (OP *)&myop;	834	PL_op = (OP *)&myop;
714	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	835	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
715	SPAGAIN;	836	SPAGAIN;
716	}	837	}
717		838
718	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	839	/* this newly created coroutine might be run on an existing cctx which most
		840	* likely was suspended in set_stacklevel, called from entersub.
		841	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		842	* so we ENTER here for symmetry
		843	*/
		844	ENTER;
719	}	845	}
720		846
721	static void	847	static void
722	coro_destroy (pTHX_ struct coro *coro)	848	coro_destruct (pTHX_ struct coro *coro)
723	{	849	{
724	if (!IN_DESTRUCT)	850	if (!IN_DESTRUCT)
725	{	851	{
726	/* restore all saved variables and stuff */	852	/* restore all saved variables and stuff */
727	LEAVE_SCOPE (0);	853	LEAVE_SCOPE (0);
…		…
749	SvREFCNT_dec (PL_warnhook);	875	SvREFCNT_dec (PL_warnhook);
750		876
751	SvREFCNT_dec (coro->saved_deffh);	877	SvREFCNT_dec (coro->saved_deffh);
752	SvREFCNT_dec (coro->throw);	878	SvREFCNT_dec (coro->throw);
753		879
754	coro_destroy_stacks (aTHX);	880	coro_destruct_stacks (aTHX);
755	}	881	}
756		882
757	static void	883	static void
758	free_coro_mortal (pTHX)	884	free_coro_mortal (pTHX)
759	{	885	{
…		…
796	: cx->blk_gimme == G_SCALAR ? bot + 1	922	: cx->blk_gimme == G_SCALAR ? bot + 1
797	: bot;	923	: bot;
798		924
799	av_extend (av, top - bot);	925	av_extend (av, top - bot);
800	while (bot < top)	926	while (bot < top)
801	av_push (av, SvREFCNT_inc (*bot++));	927	av_push (av, SvREFCNT_inc_NN (*bot++));
802		928
803	PL_runops = RUNOPS_DEFAULT;	929	PL_runops = RUNOPS_DEFAULT;
804	ENTER;	930	ENTER;
805	SAVETMPS;	931	SAVETMPS;
806	EXTEND (SP, 3);	932	EXTEND (SP, 3);
807	PUSHMARK (SP);	933	PUSHMARK (SP);
808	PUSHs (&PL_sv_no);	934	PUSHs (&PL_sv_no);
809	PUSHs (fullname);	935	PUSHs (fullname);
810	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	936	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
811	PUTBACK;	937	PUTBACK;
812	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	938	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
813	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	939	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
814	SPAGAIN;	940	SPAGAIN;
815	FREETMPS;	941	FREETMPS;
816	LEAVE;	942	LEAVE;
817	PL_runops = runops_trace;	943	PL_runops = runops_trace;
…		…
844	SAVETMPS;	970	SAVETMPS;
845	EXTEND (SP, 3);	971	EXTEND (SP, 3);
846	PUSHMARK (SP);	972	PUSHMARK (SP);
847	PUSHs (&PL_sv_yes);	973	PUSHs (&PL_sv_yes);
848	PUSHs (fullname);	974	PUSHs (fullname);
849	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	975	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
850	PUTBACK;	976	PUTBACK;
851	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	977	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
852	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	978	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
853	SPAGAIN;	979	SPAGAIN;
854	FREETMPS;	980	FREETMPS;
855	LEAVE;	981	LEAVE;
856	PL_runops = runops_trace;	982	PL_runops = runops_trace;
…		…
870	PL_runops = RUNOPS_DEFAULT;	996	PL_runops = RUNOPS_DEFAULT;
871	PUSHMARK (SP);	997	PUSHMARK (SP);
872	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	998	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
873	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	999	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
874	PUTBACK;	1000	PUTBACK;
875	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	1001	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
876	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1002	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
877	SPAGAIN;	1003	SPAGAIN;
878	FREETMPS;	1004	FREETMPS;
879	LEAVE;	1005	LEAVE;
880	PL_runops = runops_trace;	1006	PL_runops = runops_trace;
…		…
954	coro_cctx *cctx;	1080	coro_cctx *cctx;
955	void *stack_start;	1081	void *stack_start;
956	size_t stack_size;	1082	size_t stack_size;
957		1083
958	++cctx_count;	1084	++cctx_count;
959
960	Newz (0, cctx, 1, coro_cctx);	1085	Newz (0, cctx, 1, coro_cctx);
961		1086
962	#if HAVE_MMAP	1087	#if HAVE_MMAP
963	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1088	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
964	/* mmap supposedly does allocate-on-write for us */	1089	/* mmap supposedly does allocate-on-write for us */
…		…
1000	{	1125	{
1001	if (!cctx)	1126	if (!cctx)
1002	return;	1127	return;
1003		1128
1004	--cctx_count;	1129	--cctx_count;
		1130	coro_destroy (&cctx->cctx);
1005		1131
		1132	/* coro_transfer creates new, empty cctx's */
		1133	if (cctx->sptr)
		1134	{
1006	#if CORO_USE_VALGRIND	1135	#if CORO_USE_VALGRIND
1007	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1136	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1008	#endif	1137	#endif
1009		1138
1010	#if HAVE_MMAP	1139	#if HAVE_MMAP
1011	if (cctx->flags & CC_MAPPED)	1140	if (cctx->flags & CC_MAPPED)
1012	munmap (cctx->sptr, cctx->ssize);	1141	munmap (cctx->sptr, cctx->ssize);
1013	else	1142	else
1014	#endif	1143	#endif
1015	Safefree (cctx->sptr);	1144	Safefree (cctx->sptr);
		1145	}
1016		1146
1017	Safefree (cctx);	1147	Safefree (cctx);
1018	}	1148	}
1019		1149
1020	/* wether this cctx should be destructed */	1150	/* wether this cctx should be destructed */
…		…
1039	}	1169	}
1040		1170
1041	static void	1171	static void
1042	cctx_put (coro_cctx *cctx)	1172	cctx_put (coro_cctx *cctx)
1043	{	1173	{
		1174	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1175
1044	/* free another cctx if overlimit */	1176	/* free another cctx if overlimit */
1045	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1177	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
1046	{	1178	{
1047	coro_cctx *first = cctx_first;	1179	coro_cctx *first = cctx_first;
1048	cctx_first = first->next;	1180	cctx_first = first->next;
…		…
1070	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1202	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1071		1203
1072	if (expect_false (next->flags & CF_DESTROYED))	1204	if (expect_false (next->flags & CF_DESTROYED))
1073	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1205	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1074		1206
1075	if (
1076	#if PERL_VERSION_ATLEAST (5,9,0)	1207	#if !PERL_VERSION_ATLEAST (5,10,0)
1077	expect_false (PL_parser)
1078	#else
1079	expect_false (PL_lex_state != LEX_NOTPARSING)	1208	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1080	#endif
1081	)
1082	croak ("Coro::State::transfer called while parsing, but this is not supported");	1209	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1210	#endif
1083	}	1211	}
1084	}	1212	}
1085		1213
1086	/* always use the TRANSFER macro */	1214	/* always use the TRANSFER macro */
1087	static void NOINLINE	1215	static void NOINLINE
1088	transfer (pTHX_ struct coro prev, struct coro next)	1216	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1089	{	1217	{
1090	dSTACKLEVEL;	1218	dSTACKLEVEL;
1091		1219
1092	/* sometimes transfer is only called to set idle_sp */	1220	/* sometimes transfer is only called to set idle_sp */
1093	if (expect_false (!next))	1221	if (expect_false (!next))
…		…
1095	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1223	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1096	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1224	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1097	}	1225	}
1098	else if (expect_true (prev != next))	1226	else if (expect_true (prev != next))
1099	{	1227	{
		1228	static volatile int has_throw;
1100	coro_cctx *prev__cctx;	1229	coro_cctx *prev__cctx;
1101		1230
1102	if (expect_false (prev->flags & CF_NEW))	1231	if (expect_false (prev->flags & CF_NEW))
1103	{	1232	{
1104	/* create a new empty context */	1233	/* create a new empty/source context */
		1234	++cctx_count;
1105	Newz (0, prev->cctx, 1, coro_cctx);	1235	New (0, prev->cctx, 1, coro_cctx);
		1236	prev->cctx->sptr = 0;
		1237	coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
		1238
1106	prev->flags &= ~CF_NEW;	1239	prev->flags &= ~CF_NEW;
1107	prev->flags \|= CF_RUNNING;	1240	prev->flags \|= CF_RUNNING;
1108	}	1241	}
1109		1242
1110	prev->flags &= ~CF_RUNNING;	1243	prev->flags &= ~CF_RUNNING;
1111	next->flags \|= CF_RUNNING;	1244	next->flags \|= CF_RUNNING;
1112		1245
1113	LOCK;	1246	LOCK;
		1247
		1248	/* first get rid of the old state */
		1249	save_perl (aTHX_ prev);
1114		1250
1115	if (expect_false (next->flags & CF_NEW))	1251	if (expect_false (next->flags & CF_NEW))
1116	{	1252	{
1117	/* need to start coroutine */	1253	/* need to start coroutine */
1118	next->flags &= ~CF_NEW;	1254	next->flags &= ~CF_NEW;
1119	/* first get rid of the old state */
1120	save_perl (aTHX_ prev);
1121	/* setup coroutine call */	1255	/* setup coroutine call */
1122	coro_setup (aTHX_ next);	1256	coro_setup (aTHX_ next);
1123	}	1257	}
1124	else	1258	else
1125	{
1126	/* coroutine already started */
1127	save_perl (aTHX_ prev);
1128	load_perl (aTHX_ next);	1259	load_perl (aTHX_ next);
1129	}
1130		1260
1131	prev__cctx = prev->cctx;	1261	prev__cctx = prev->cctx;
1132		1262
1133	/* possibly "free" the cctx */	1263	/* possibly "free" the cctx */
1134	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1264	if (expect_true (
		1265	prev__cctx->idle_sp == STACKLEVEL
		1266	&& !(prev__cctx->flags & CC_TRACE)
		1267	&& !force_cctx
		1268	))
1135	{	1269	{
1136	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1270	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1137	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1271	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1138		1272
1139	prev->cctx = 0;	1273	prev->cctx = 0;
…		…
1149		1283
1150	++next->usecount;	1284	++next->usecount;
1151		1285
1152	if (expect_true (!next->cctx))	1286	if (expect_true (!next->cctx))
1153	next->cctx = cctx_get (aTHX);	1287	next->cctx = cctx_get (aTHX);
		1288
		1289	has_throw = !!next->throw;
1154		1290
1155	if (expect_false (prev__cctx != next->cctx))	1291	if (expect_false (prev__cctx != next->cctx))
1156	{	1292	{
1157	prev__cctx->top_env = PL_top_env;	1293	prev__cctx->top_env = PL_top_env;
1158	PL_top_env = next->cctx->top_env;	1294	PL_top_env = next->cctx->top_env;
…		…
1160	}	1296	}
1161		1297
1162	free_coro_mortal (aTHX);	1298	free_coro_mortal (aTHX);
1163	UNLOCK;	1299	UNLOCK;
1164		1300
1165	if (expect_false (prev->throw \|\| next->throw))	1301	if (expect_false (has_throw))
1166	{	1302	{
1167	struct coro *coro = SvSTATE (coro_current);	1303	struct coro *coro = SvSTATE (coro_current);
1168		1304
1169	if (coro->throw)	1305	if (coro->throw)
1170	{	1306	{
…		…
1180	struct transfer_args	1316	struct transfer_args
1181	{	1317	{
1182	struct coro prev, next;	1318	struct coro prev, next;
1183	};	1319	};
1184		1320
1185	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1321	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1186	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1322	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1187		1323
1188	/ high level stuff ******************************************************/	1324	/ high level stuff ******************************************************/
1189		1325
1190	static int	1326	static int
…		…
1214	croak ("FATAL: tried to destroy currently running coroutine");	1350	croak ("FATAL: tried to destroy currently running coroutine");
1215		1351
1216	save_perl (aTHX_ &temp);	1352	save_perl (aTHX_ &temp);
1217	load_perl (aTHX_ coro);	1353	load_perl (aTHX_ coro);
1218		1354
1219	coro_destroy (aTHX_ coro);	1355	coro_destruct (aTHX_ coro);
1220		1356
1221	load_perl (aTHX_ &temp);	1357	load_perl (aTHX_ &temp);
1222		1358
1223	coro->slot = 0;	1359	coro->slot = 0;
1224	}	1360	}
…		…
1284	{	1420	{
1285	dTHX;	1421	dTHX;
1286	struct transfer_args ta;	1422	struct transfer_args ta;
1287		1423
1288	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1424	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1289	TRANSFER (ta);	1425	TRANSFER (ta, 1);
1290	}	1426	}
1291		1427
1292	/ Coro ******************************************************************/	1428	/ Coro ******************************************************************/
1293		1429
1294	static void	1430	static void
…		…
1296	{	1432	{
1297	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1433	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1298	}	1434	}
1299		1435
1300	static SV *	1436	static SV *
1301	coro_deq (pTHX_ int min_prio)	1437	coro_deq (pTHX)
1302	{	1438	{
1303	int prio = PRIO_MAX - PRIO_MIN;	1439	int prio;
1304		1440
1305	min_prio -= PRIO_MIN;
1306	if (min_prio < 0)
1307	min_prio = 0;
1308
1309	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1441	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1310	if (AvFILLp (coro_ready [prio]) >= 0)	1442	if (AvFILLp (coro_ready [prio]) >= 0)
1311	return av_shift (coro_ready [prio]);	1443	return av_shift (coro_ready [prio]);
1312		1444
1313	return 0;	1445	return 0;
1314	}	1446	}
…		…
1316	static int	1448	static int
1317	api_ready (SV *coro_sv)	1449	api_ready (SV *coro_sv)
1318	{	1450	{
1319	dTHX;	1451	dTHX;
1320	struct coro *coro;	1452	struct coro *coro;
		1453	SV *sv_hook;
		1454	void (*xs_hook)(void);
1321		1455
1322	if (SvROK (coro_sv))	1456	if (SvROK (coro_sv))
1323	coro_sv = SvRV (coro_sv);	1457	coro_sv = SvRV (coro_sv);
1324		1458
1325	coro = SvSTATE (coro_sv);	1459	coro = SvSTATE (coro_sv);
…		…
1328	return 0;	1462	return 0;
1329		1463
1330	coro->flags \|= CF_READY;	1464	coro->flags \|= CF_READY;
1331		1465
1332	LOCK;	1466	LOCK;
		1467
		1468	sv_hook = coro_nready ? 0 : coro_readyhook;
		1469	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1470
1333	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1471	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1334	++coro_nready;	1472	++coro_nready;
		1473
1335	UNLOCK;	1474	UNLOCK;
		1475
		1476	if (sv_hook)
		1477	{
		1478	dSP;
		1479
		1480	ENTER;
		1481	SAVETMPS;
		1482
		1483	PUSHMARK (SP);
		1484	PUTBACK;
		1485	call_sv (sv_hook, G_DISCARD);
		1486	SPAGAIN;
		1487
		1488	FREETMPS;
		1489	LEAVE;
		1490	}
		1491
		1492	if (xs_hook)
		1493	xs_hook ();
1336		1494
1337	return 1;	1495	return 1;
1338	}	1496	}
1339		1497
1340	static int	1498	static int
…		…
1350	SV prev_sv, next_sv;	1508	SV prev_sv, next_sv;
1351		1509
1352	for (;;)	1510	for (;;)
1353	{	1511	{
1354	LOCK;	1512	LOCK;
1355	next_sv = coro_deq (aTHX_ PRIO_MIN);	1513	next_sv = coro_deq (aTHX);
1356		1514
1357	/* nothing to schedule: call the idle handler */	1515	/* nothing to schedule: call the idle handler */
1358	if (expect_false (!next_sv))	1516	if (expect_false (!next_sv))
1359	{	1517	{
1360	dSP;	1518	dSP;
…		…
1364	SAVETMPS;	1522	SAVETMPS;
1365		1523
1366	PUSHMARK (SP);	1524	PUSHMARK (SP);
1367	PUTBACK;	1525	PUTBACK;
1368	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1526	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1527	SPAGAIN;
1369		1528
1370	FREETMPS;	1529	FREETMPS;
1371	LEAVE;	1530	LEAVE;
1372	continue;	1531	continue;
1373	}	1532	}
…		…
1428	{	1587	{
1429	dTHX;	1588	dTHX;
1430	struct transfer_args ta;	1589	struct transfer_args ta;
1431		1590
1432	prepare_schedule (aTHX_ &ta);	1591	prepare_schedule (aTHX_ &ta);
1433	TRANSFER (ta);	1592	TRANSFER (ta, 1);
1434	}	1593	}
1435		1594
1436	static int	1595	static int
1437	api_cede (void)	1596	api_cede (void)
1438	{	1597	{
…		…
1441		1600
1442	prepare_cede (aTHX_ &ta);	1601	prepare_cede (aTHX_ &ta);
1443		1602
1444	if (expect_true (ta.prev != ta.next))	1603	if (expect_true (ta.prev != ta.next))
1445	{	1604	{
1446	TRANSFER (ta);	1605	TRANSFER (ta, 1);
1447	return 1;	1606	return 1;
1448	}	1607	}
1449	else	1608	else
1450	return 0;	1609	return 0;
1451	}	1610	}
…		…
1456	dTHX;	1615	dTHX;
1457	struct transfer_args ta;	1616	struct transfer_args ta;
1458		1617
1459	if (prepare_cede_notself (aTHX_ &ta))	1618	if (prepare_cede_notself (aTHX_ &ta))
1460	{	1619	{
1461	TRANSFER (ta);	1620	TRANSFER (ta, 1);
1462	return 1;	1621	return 1;
1463	}	1622	}
1464	else	1623	else
1465	return 0;	1624	return 0;
1466	}	1625	}
…		…
1489	else	1648	else
1490	coro->slot->runops = RUNOPS_DEFAULT;	1649	coro->slot->runops = RUNOPS_DEFAULT;
1491	}	1650	}
1492	}	1651	}
1493		1652
		1653	static int
		1654	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1655	{
		1656	AV *padlist;
		1657	AV av = (AV )mg->mg_obj;
		1658
		1659	abort ();
		1660
		1661	return 0;
		1662	}
		1663
		1664	static MGVTBL coro_gensub_vtbl = {
		1665	0, 0, 0, 0,
		1666	coro_gensub_free
		1667	};
		1668
		1669	/*****************************************************************************/
		1670	/* PerlIO::cede */
		1671
		1672	typedef struct
		1673	{
		1674	PerlIOBuf base;
		1675	NV next, every;
		1676	} PerlIOCede;
		1677
		1678	static IV
		1679	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1680	{
		1681	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1682
		1683	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1684	self->next = nvtime () + self->every;
		1685
		1686	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1687	}
		1688
		1689	static SV *
		1690	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1691	{
		1692	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1693
		1694	return newSVnv (self->every);
		1695	}
		1696
		1697	static IV
		1698	PerlIOCede_flush (pTHX_ PerlIO *f)
		1699	{
		1700	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1701	double now = nvtime ();
		1702
		1703	if (now >= self->next)
		1704	{
		1705	api_cede ();
		1706	self->next = now + self->every;
		1707	}
		1708
		1709	return PerlIOBuf_flush (aTHX_ f);
		1710	}
		1711
		1712	static PerlIO_funcs PerlIO_cede =
		1713	{
		1714	sizeof(PerlIO_funcs),
		1715	"cede",
		1716	sizeof(PerlIOCede),
		1717	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1718	PerlIOCede_pushed,
		1719	PerlIOBuf_popped,
		1720	PerlIOBuf_open,
		1721	PerlIOBase_binmode,
		1722	PerlIOCede_getarg,
		1723	PerlIOBase_fileno,
		1724	PerlIOBuf_dup,
		1725	PerlIOBuf_read,
		1726	PerlIOBuf_unread,
		1727	PerlIOBuf_write,
		1728	PerlIOBuf_seek,
		1729	PerlIOBuf_tell,
		1730	PerlIOBuf_close,
		1731	PerlIOCede_flush,
		1732	PerlIOBuf_fill,
		1733	PerlIOBase_eof,
		1734	PerlIOBase_error,
		1735	PerlIOBase_clearerr,
		1736	PerlIOBase_setlinebuf,
		1737	PerlIOBuf_get_base,
		1738	PerlIOBuf_bufsiz,
		1739	PerlIOBuf_get_ptr,
		1740	PerlIOBuf_get_cnt,
		1741	PerlIOBuf_set_ptrcnt,
		1742	};
		1743
		1744
1494	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1745	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1495		1746
1496	PROTOTYPES: DISABLE	1747	PROTOTYPES: DISABLE
1497		1748
1498	BOOT:	1749	BOOT:
1499	{	1750	{
1500	#ifdef USE_ITHREADS	1751	#ifdef USE_ITHREADS
1501	MUTEX_INIT (&coro_mutex);	1752	MUTEX_INIT (&coro_lock);
1502	#endif	1753	#endif
1503	BOOT_PAGESIZE;	1754	BOOT_PAGESIZE;
1504		1755
1505	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1756	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1506	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1757	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1507		1758
		1759	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1760	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1761	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1762
1508	hv_sig = coro_get_hv ("SIG", TRUE);	1763	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1509	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1764	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1510	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1765	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1511
1512	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1513	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1514		1766
1515	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1767	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1516		1768
1517	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1769	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1518	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1770	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1523	main_top_env = PL_top_env;	1775	main_top_env = PL_top_env;
1524		1776
1525	while (main_top_env->je_prev)	1777	while (main_top_env->je_prev)
1526	main_top_env = main_top_env->je_prev;	1778	main_top_env = main_top_env->je_prev;
1527		1779
1528	coroapi.ver = CORO_API_VERSION;	1780	coroapi.ver = CORO_API_VERSION;
		1781	coroapi.rev = CORO_API_REVISION;
1529	coroapi.transfer = api_transfer;	1782	coroapi.transfer = api_transfer;
		1783
		1784	{
		1785	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1786
		1787	if (!svp) croak ("Time::HiRes is required");
		1788	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1789
		1790	nvtime = INT2PTR (double ()(), SvIV (svp));
		1791	}
1530		1792
1531	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1793	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1532	}	1794	}
1533		1795
1534	SV *	1796	SV *
1535	new (char *klass, ...)	1797	new (char *klass, ...)
1536	CODE:	1798	CODE:
1537	{	1799	{
1538	struct coro *coro;	1800	struct coro *coro;
		1801	MAGIC *mg;
1539	HV *hv;	1802	HV *hv;
1540	int i;	1803	int i;
1541		1804
1542	Newz (0, coro, 1, struct coro);	1805	Newz (0, coro, 1, struct coro);
1543	coro->args = newAV ();	1806	coro->args = newAV ();
…		…
1546	if (coro_first) coro_first->prev = coro;	1809	if (coro_first) coro_first->prev = coro;
1547	coro->next = coro_first;	1810	coro->next = coro_first;
1548	coro_first = coro;	1811	coro_first = coro;
1549		1812
1550	coro->hv = hv = newHV ();	1813	coro->hv = hv = newHV ();
1551	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1814	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1815	mg->mg_flags \|= MGf_DUP;
1552	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1816	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1553		1817
1554	av_extend (coro->args, items - 1);	1818	av_extend (coro->args, items - 1);
1555	for (i = 1; i < items; i++)	1819	for (i = 1; i < items; i++)
1556	av_push (coro->args, newSVsv (ST (i)));	1820	av_push (coro->args, newSVsv (ST (i)));
…		…
1570	Coro::cede_notself = 4	1834	Coro::cede_notself = 4
1571	CODE:	1835	CODE:
1572	{	1836	{
1573	struct transfer_args ta;	1837	struct transfer_args ta;
1574		1838
		1839	PUTBACK;
1575	switch (ix)	1840	switch (ix)
1576	{	1841	{
1577	case 0:	1842	case 0:
1578	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1843	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1579	ta.next = 0;	1844	ta.next = 0;
1580	break;	1845	break;
1581		1846
1582	case 1:	1847	case 1:
1583	if (items != 2)	1848	if (items != 2)
1584	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1849	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1585		1850
1586	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1851	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1587	break;	1852	break;
1588		1853
1589	case 2:	1854	case 2:
…		…
1598	if (!prepare_cede_notself (aTHX_ &ta))	1863	if (!prepare_cede_notself (aTHX_ &ta))
1599	XSRETURN_EMPTY;	1864	XSRETURN_EMPTY;
1600		1865
1601	break;	1866	break;
1602	}	1867	}
		1868	SPAGAIN;
1603		1869
1604	BARRIER;	1870	BARRIER;
		1871	PUTBACK;
1605	TRANSFER (ta);	1872	TRANSFER (ta, 0);
1606		1873	SPAGAIN; /* might be the sp of a different coroutine now */
1607	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1874	/* be extra careful not to ever do anything after TRANSFER */
1608	XSRETURN_YES;
1609	}	1875	}
1610		1876
1611	bool	1877	bool
1612	_destroy (SV *coro_sv)	1878	_destroy (SV *coro_sv)
1613	CODE:	1879	CODE:
1614	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1880	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1615	OUTPUT:	1881	OUTPUT:
1616	RETVAL	1882	RETVAL
1617		1883
1618	void	1884	void
1619	_exit (code)	1885	_exit (int code)
1620	int code
1621	PROTOTYPE: $	1886	PROTOTYPE: $
1622	CODE:	1887	CODE:
1623	_exit (code);	1888	_exit (code);
1624		1889
1625	int	1890	int
…		…
1659	call (Coro::State coro, SV *coderef)	1924	call (Coro::State coro, SV *coderef)
1660	ALIAS:	1925	ALIAS:
1661	eval = 1	1926	eval = 1
1662	CODE:	1927	CODE:
1663	{	1928	{
1664	if (coro->mainstack)	1929	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1665	{	1930	{
1666	struct coro temp;	1931	struct coro temp;
1667		1932
1668	if (!(coro->flags & CF_RUNNING))	1933	if (!(coro->flags & CF_RUNNING))
1669	{	1934	{
		1935	PUTBACK;
1670	save_perl (aTHX_ &temp);	1936	save_perl (aTHX_ &temp);
1671	load_perl (aTHX_ coro);	1937	load_perl (aTHX_ coro);
1672	}	1938	}
1673		1939
1674	{	1940	{
1675	dSP;	1941	dSP;
1676	ENTER;	1942	ENTER;
1677	SAVETMPS;	1943	SAVETMPS;
		1944	PUTBACK;
		1945	PUSHSTACK;
1678	PUSHMARK (SP);	1946	PUSHMARK (SP);
1679	PUTBACK;
1680		1947
1681	if (ix)	1948	if (ix)
1682	eval_sv (coderef, 0);	1949	eval_sv (coderef, 0);
1683	else	1950	else
1684	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1951	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1685		1952
		1953	POPSTACK;
1686	SPAGAIN;	1954	SPAGAIN;
1687	FREETMPS;	1955	FREETMPS;
1688	LEAVE;	1956	LEAVE;
1689	PUTBACK;	1957	PUTBACK;
1690	}	1958	}
1691		1959
1692	if (!(coro->flags & CF_RUNNING))	1960	if (!(coro->flags & CF_RUNNING))
1693	{	1961	{
1694	save_perl (aTHX_ coro);	1962	save_perl (aTHX_ coro);
1695	load_perl (aTHX_ &temp);	1963	load_perl (aTHX_ &temp);
		1964	SPAGAIN;
1696	}	1965	}
1697	}	1966	}
1698	}	1967	}
1699		1968
1700	SV *	1969	SV *
…		…
1712		1981
1713	void	1982	void
1714	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1983	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1715		1984
1716	SV *	1985	SV *
1717	has_stack (Coro::State coro)	1986	has_cctx (Coro::State coro)
1718	PROTOTYPE: $	1987	PROTOTYPE: $
1719	CODE:	1988	CODE:
1720	RETVAL = boolSV (!!coro->cctx);	1989	RETVAL = boolSV (!!coro->cctx);
1721	OUTPUT:	1990	OUTPUT:
1722	RETVAL	1991	RETVAL
…		…
1741	case 1: RETVAL = coro->usecount; break;	2010	case 1: RETVAL = coro->usecount; break;
1742	}	2011	}
1743	OUTPUT:	2012	OUTPUT:
1744	RETVAL	2013	RETVAL
1745		2014
		2015	void
		2016	force_cctx ()
		2017	CODE:
		2018	struct coro *coro = SvSTATE (coro_current);
		2019	coro->cctx->idle_sp = 0;
		2020
		2021	void
		2022	swap_defsv (Coro::State self)
		2023	PROTOTYPE: $
		2024	ALIAS:
		2025	swap_defav = 1
		2026	CODE:
		2027	if (!self->slot)
		2028	croak ("cannot swap state with coroutine that has no saved state");
		2029	else
		2030	{
		2031	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2032	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2033
		2034	SV tmp = src; src = dst; *dst = tmp;
		2035	}
1746		2036
1747	MODULE = Coro::State PACKAGE = Coro	2037	MODULE = Coro::State PACKAGE = Coro
1748		2038
1749	BOOT:	2039	BOOT:
1750	{	2040	{
1751	int i;	2041	int i;
1752		2042
1753	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1754	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1755	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	2043	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2044	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2045	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1756		2046
1757	coro_current = coro_get_sv ("Coro::current", FALSE);	2047	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1758	SvREADONLY_on (coro_current);	2048	SvREADONLY_on (coro_current);
1759		2049
1760	coro_stash = gv_stashpv ("Coro", TRUE);	2050	coro_stash = gv_stashpv ("Coro", TRUE);
1761		2051
1762	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2052	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1790	void	2080	void
1791	_set_current (SV *current)	2081	_set_current (SV *current)
1792	PROTOTYPE: $	2082	PROTOTYPE: $
1793	CODE:	2083	CODE:
1794	SvREFCNT_dec (SvRV (coro_current));	2084	SvREFCNT_dec (SvRV (coro_current));
1795	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2085	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2086
		2087	void
		2088	_set_readyhook (SV *hook)
		2089	PROTOTYPE: $
		2090	CODE:
		2091	LOCK;
		2092	SvREFCNT_dec (coro_readyhook);
		2093	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2094	UNLOCK;
1796		2095
1797	int	2096	int
1798	prio (Coro::State coro, int newprio = 0)	2097	prio (Coro::State coro, int newprio = 0)
1799	ALIAS:	2098	ALIAS:
1800	nice = 1	2099	nice = 1
…		…
1845	CODE:	2144	CODE:
1846	{	2145	{
1847	struct coro *coro = SvSTATE (coro_current);	2146	struct coro *coro = SvSTATE (coro_current);
1848	HV hv = (HV )SvRV (coro_current);	2147	HV hv = (HV )SvRV (coro_current);
1849	AV *defav = GvAV (PL_defgv);	2148	AV *defav = GvAV (PL_defgv);
1850	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2149	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1851	AV *invoke_av;	2150	AV *invoke_av;
1852	int i, len;	2151	int i, len;
1853		2152
1854	if (!invoke)	2153	if (!invoke)
		2154	{
		2155	SV *old = PL_diehook;
		2156	PL_diehook = 0;
		2157	SvREFCNT_dec (old);
1855	croak ("\3async_pool terminate\2\n");	2158	croak ("\3async_pool terminate\2\n");
		2159	}
1856		2160
1857	SvREFCNT_dec (coro->saved_deffh);	2161	SvREFCNT_dec (coro->saved_deffh);
1858	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2162	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1859		2163
1860	hv_store (hv, "desc", sizeof ("desc") - 1,	2164	hv_store (hv, "desc", sizeof ("desc") - 1,
1861	newSVpvn (strpair ("[async_pool]")), 0);	2165	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1862		2166
1863	invoke_av = (AV *)SvRV (invoke);	2167	invoke_av = (AV *)SvRV (invoke);
1864	len = av_len (invoke_av);	2168	len = av_len (invoke_av);
1865		2169
1866	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2170	sv_setsv (cb, AvARRAY (invoke_av)[0]);
1867		2171
1868	if (len > 0)	2172	if (len > 0)
1869	{	2173	{
1870	av_fill (defav, len - 1);	2174	av_fill (defav, len - 1);
1871	for (i = 0; i < len; ++i)	2175	for (i = 0; i < len; ++i)
1872	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2176	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1873	}	2177	}
1874		2178
1875	SvREFCNT_dec (invoke);	2179	SvREFCNT_dec (invoke);
1876	}	2180	}
1877		2181
…		…
1886	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2190	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1887	coro->saved_deffh = 0;	2191	coro->saved_deffh = 0;
1888		2192
1889	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2193	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1890	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2194	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2195	{
		2196	SV *old = PL_diehook;
		2197	PL_diehook = 0;
		2198	SvREFCNT_dec (old);
1891	croak ("\3async_pool terminate\2\n");	2199	croak ("\3async_pool terminate\2\n");
		2200	}
1892		2201
1893	av_clear (GvAV (PL_defgv));	2202	av_clear (GvAV (PL_defgv));
1894	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2203	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1895	newSVpvn (strpair ("[async_pool idle]")), 0);	2204	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1896		2205
1897	coro->prio = 0;	2206	coro->prio = 0;
1898		2207
1899	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2208	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1900	api_trace (coro_current, 0);	2209	api_trace (coro_current, 0);
1901		2210
1902	av_push (av_async_pool, newSVsv (coro_current));	2211	av_push (av_async_pool, newSVsv (coro_current));
1903	}	2212	}
1904		2213
		2214	#if 0
		2215
		2216	void
		2217	_generator_call (...)
		2218	PROTOTYPE: @
		2219	PPCODE:
		2220	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2221	xxxx
		2222	abort ();
		2223
		2224	SV *
		2225	gensub (SV *sub, ...)
		2226	PROTOTYPE: &;@
		2227	CODE:
		2228	{
		2229	struct coro *coro;
		2230	MAGIC *mg;
		2231	CV *xcv;
		2232	CV ncv = (CV )newSV_type (SVt_PVCV);
		2233	int i;
		2234
		2235	CvGV (ncv) = CvGV (cv);
		2236	CvFILE (ncv) = CvFILE (cv);
		2237
		2238	Newz (0, coro, 1, struct coro);
		2239	coro->args = newAV ();
		2240	coro->flags = CF_NEW;
		2241
		2242	av_extend (coro->args, items - 1);
		2243	for (i = 1; i < items; i++)
		2244	av_push (coro->args, newSVsv (ST (i)));
		2245
		2246	CvISXSUB_on (ncv);
		2247	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2248
		2249	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2250
		2251	CvXSUB (ncv) = CvXSUB (xcv);
		2252	CvANON_on (ncv);
		2253
		2254	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2255	RETVAL = newRV_noinc ((SV *)ncv);
		2256	}
		2257	OUTPUT:
		2258	RETVAL
		2259
		2260	#endif
		2261
1905		2262
1906	MODULE = Coro::State PACKAGE = Coro::AIO	2263	MODULE = Coro::State PACKAGE = Coro::AIO
1907		2264
1908	SV *	2265	void
1909	_get_state ()	2266	_get_state (SV *self)
1910	CODE:	2267	PPCODE:
1911	{	2268	{
1912	struct io_state *data;	2269	AV *defav = GvAV (PL_defgv);
1913		2270	AV *av = newAV ();
		2271	int i;
1914	RETVAL = newSV (sizeof (struct io_state));	2272	SV *data_sv = newSV (sizeof (struct io_state));
1915	data = (struct io_state *)SvPVX (RETVAL);	2273	struct io_state data = (struct io_state )SvPVX (data_sv);
1916	SvCUR_set (RETVAL, sizeof (struct io_state));	2274	SvCUR_set (data_sv, sizeof (struct io_state));
1917	SvPOK_only (RETVAL);	2275	SvPOK_only (data_sv);
1918		2276
1919	data->errorno = errno;	2277	data->errorno = errno;
1920	data->laststype = PL_laststype;	2278	data->laststype = PL_laststype;
1921	data->laststatval = PL_laststatval;	2279	data->laststatval = PL_laststatval;
1922	data->statcache = PL_statcache;	2280	data->statcache = PL_statcache;
		2281
		2282	av_extend (av, AvFILLp (defav) + 1 + 1);
		2283
		2284	for (i = 0; i <= AvFILLp (defav); ++i)
		2285	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2286
		2287	av_push (av, data_sv);
		2288
		2289	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2290
		2291	api_ready (self);
1923	}	2292	}
1924	OUTPUT:
1925	RETVAL
1926		2293
1927	void	2294	void
1928	_set_state (char *data_)	2295	_set_state (SV *state)
1929	PROTOTYPE: $	2296	PROTOTYPE: $
1930	CODE:	2297	PPCODE:
1931	{	2298	{
1932	struct io_state data = (void )data_;	2299	AV av = (AV )SvRV (state);
		2300	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2301	int i;
1933		2302
1934	errno = data->errorno;	2303	errno = data->errorno;
1935	PL_laststype = data->laststype;	2304	PL_laststype = data->laststype;
1936	PL_laststatval = data->laststatval;	2305	PL_laststatval = data->laststatval;
1937	PL_statcache = data->statcache;	2306	PL_statcache = data->statcache;
1938	}
1939		2307
		2308	EXTEND (SP, AvFILLp (av));
		2309	for (i = 0; i < AvFILLp (av); ++i)
		2310	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2311	}
		2312
		2313
		2314	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2315
		2316	BOOT:
		2317	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2318
		2319	SV *
		2320	_schedule (...)
		2321	PROTOTYPE: @
		2322	CODE:
		2323	{
		2324	static int incede;
		2325
		2326	api_cede_notself ();
		2327
		2328	++incede;
		2329	while (coro_nready >= incede && api_cede ())
		2330	;
		2331
		2332	sv_setsv (sv_activity, &PL_sv_undef);
		2333	if (coro_nready >= incede)
		2334	{
		2335	PUSHMARK (SP);
		2336	PUTBACK;
		2337	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2338	SPAGAIN;
		2339	}
		2340
		2341	--incede;
		2342	}
		2343
		2344
		2345	MODULE = Coro::State PACKAGE = PerlIO::cede
		2346
		2347	BOOT:
		2348	PerlIO_define_layer (aTHX_ &PerlIO_cede);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing Coro/Coro/State.xs (file contents): Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs. Revision 1.253 by root, Fri Nov 7 20:12:26 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs.
Revision 1.253 by root, Fri Nov 7 20:12:26 2008 UTC